About “Heur.Crifi.2 (B)” infection

The Heur.Crifi.2 (B) is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Heur.Crifi.2 (B) virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Attempts to connect to a dead IP:Port (1 unique times)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Enumerates the modules from a process (may be used to locate base addresses in process injection)
• Enumerates running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Sniffs keystrokes
• Behavioural detection: Injection (inter-process)
• Attempts to stop active services
• Installs itself for autorun at Windows startup
• CAPE detected the njRat malware family
• Creates known Njrat/Bladabindi RAT registry keys
• Uses suspicious command line tools or Windows utilities

How to determine Heur.Crifi.2 (B)?

File Info:
name: EFF3DADE8C35A46D50F2.mlwpath: /opt/CAPEv2/storage/binaries/3ac34a5054a43b3883054b1dfbda0fa98f30d0cf0f8cf9c38e7ed56fc002a873crc32: 14F8229Dmd5: eff3dade8c35a46d50f2764d7eb038f5sha1: 29a620c3ed3f16eec9eb154fef53cc92d3b7d285sha256: 3ac34a5054a43b3883054b1dfbda0fa98f30d0cf0f8cf9c38e7ed56fc002a873sha512: fae96bc90f59920eac99ce85393b9c80d0878bbbf550a175c9fd0a74fcb707d9e2e5c60299f2933a264e426504669ad5409b6d72c05670c6d8ceaa5f10ed5624ssdeep: 6144:PjbeiuhR1ZgVnMcu7neic+Pl6qJFnCy2grtKhp5SoZ6JxN:Pu5CMnIyFnIO8ZexNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E564F16293E08136F0F663B455FA262722B8BCF02B34A3AF834969D95D713D45D3835Bsha3_384: 0023e5e2029d6d69f7283336920ec943b5a8af1aa4834201ce3ab0e2d4ee99663cfc1a10fc1903fab71c082aaa3cd6d7ep_bytes: e80a000000e97affffffcccccccccc8btimestamp: 2004-08-04 06:01:37
Version Info:
CompanyName: Microsoft CorporationFileDescription: Win32 Cabinet Self-Extractor                                           FileVersion: 6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)InternalName: Wextract                LegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: WEXTRACT.EXE            ProductName: Microsoft® Windows® Operating SystemProductVersion: 6.00.2900.2180Translation: 0x0409 0x04b0

Heur.Crifi.2 (B) also known as:

How to remove Heur.Crifi.2 (B)?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.